Dual dampener apparatus



FIG. 1 is a perspective view of a dual dampener apparatus in accordance with my invention;

FIG. 2 is a front elevation view of the dual dampener apparatus shown in FIG. 1;

FIG. 3 is a back elevation view of the dual dampener apparatus shown in FIG. 1;

FIG. 4 is a side elevation view of the dual dampener apparatus shown in FIG. 1;

FIG. 5 is a side elevation view opposite the view shown in FIG. 4 of the dual dampener apparatus shown in FIG. 1;

FIG. 6 is a top plan view of the dual dampener apparatus shown in FIG. 1;

FIG. 7 is a bottom plan view of the dual dampener apparatus shown in FIG. 1; and,

FIG. 8 is a reverse perspective view of the dual dampener apparatus shown in FIG. 1.

The broken lines depict environmental subject matter only and form no part of the claimed design. 

The ornamental design for a dual dampener apparatus, as shown and described. 